All That Trash All That Trash The Sanitation Districts are pleased to provide All That Trash, an educational and entertaining assembly program, to elementary schools in our service area. All That Trash is a musical performance that teaches K-6 students about the benefits of reducing, reusing, and recycling. The performers use song, humor, and audience participation to communicate and demonstrate concepts about conservation and science. All That Trash supports several of the California Department of Education science content standards for Grades K-6.

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